namespace LibNftables.Tests;

public sealed class NftErrorTranslatorTests
{
    [Fact]
    public void PermissionErrors_AreClassified()
    {
        NftException ex = NftErrorTranslator.FromOperationFailure("RunCommand", 1, "Operation not permitted");

        Assert.IsType<NftPermissionException>(ex);
        Assert.Equal(1, ex.NativeErrorCode);
    }

    [Fact]
    public void ValidationErrors_AreClassified()
    {
        NftException ex = NftErrorTranslator.FromOperationFailure("RunCommand", 2, "syntax error, unexpected token");

        Assert.IsType<NftValidationException>(ex);
        Assert.Equal(2, ex.NativeErrorCode);
    }

    [Fact]
    public void UnsupportedErrors_AreClassified()
    {
        NftException ex = NftErrorTranslator.FromOperationFailure("RunCommand", 3, "operation not supported");

        Assert.IsType<NftUnsupportedException>(ex);
        Assert.Equal(3, ex.NativeErrorCode);
    }

    [Fact]
    public void UnknownErrors_FallBackToBaseException()
    {
        NftException ex = NftErrorTranslator.FromOperationFailure("RunCommand", 4, "unexpected native failure");

        Assert.IsType<NftException>(ex);
        Assert.Equal(4, ex.NativeErrorCode);
        Assert.DoesNotContain("syntax error", ex.Message, StringComparison.OrdinalIgnoreCase);
    }
}